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Last seen: Sep 9, 2026
@bristoljoe - the old oil system and the new heat pump system both did and do the same work, heating and DHW. The heat pump has only about 1.5m of ext...
@derek-m - still trying to make sense of that climate.py code. One observation: the DHW tank actual temperature isn't defined in that climate.py code,...
This heat delivered by heat pumps thing is a bit of an enigma. I am off mains gas, and used to have oil CH. In a typical heating season, I might use 1...
@filipe - although much of the 'how to' has ended up ad hoc in this thread, I am going to try and write it up in a more structured way in my Beginner'...
@derek - I think it will be outdoor_temperature, the AC (air conditioning) Midea devices use this, and no reason to suppose C3 devices (heat pumps) ar...
@derek-m - I've added the latest code changes. There was a typo you might like to correct in your version (self.outside_temperature = body[data_offset...
You posted while I was writing my last post, I will make the changes now. I meant to say earlier, I think the second byte is heating/DHW status. Se...
Only yesterday, I was thinking that anyone who manages to decipher the Midea code deserves a Turing award. They are in the same order as in the c...
@derek-m - last night's hourly 'byte' values after hex2dec conversion and my assessment (colour bars) of what is what: The current C3\message.py c...
Aha, I think I've got it. Let me put it like this. I thought the message was the data stream, but in fact the message is built by plucking elements fr...
I doubt we will get -12C in the near future! In fact, I think we are unlikely to get much below zero during this week, if that. I will watch the local...
@derek-m - at the moment (13:24) the wired controller outdoor temp shows 12 degrees, maybe it was 11 degrees. At 1308 (one of the random not on the ...
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Degrees of Separation
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Thank you @trebor12345
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Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
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RE: Next steps on my ASHP journey: Radiators and Pipework
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